Placemat



FIG. 1 is a front elevational view of a placemat showing my new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a top plan view thereof; the bottom view is identical of the top plan view; and,

FIG. 4 is a left side view thereof. 

The ornamental design for a placemat, as shown and described. 